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Tephrosia oblongata Benth.

Reference
Fl.Austral. 2:205 (1864)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Erect shrub, 0.7-3(-5) m high. Fl. orange, Jan to Apr. Sandstone hills & outcrops, sand dunes.

Grazyna Paczkowska, Descriptive Catalogue, 6 August 1996

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems angular, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, not continuous with stem, 70-180 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 5-15, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 8-9 mm long, without glands, ribless. Pedicel present, 4-5 mm long, hairy. Bracteoles present and persistent. Calyx 6.5-8 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 12-14 mm long, uniformly coloured, orange; claws present; standard 10-13 mm long, hairy at least in part, not auriculate, wings 10-11 mm long, not auriculate, keel 10.2-11 mm long, not beaked, not auriculate, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 7.5-8.5 mm long. Ovary sessile or subsessile, hairy or glandular; style 10-13 mm long, hairy or glandular towards the base, not bearded, flattened at apex. Fruit dehiscent (a pod or follicle), 70-80 mm long, 3-4 mm wide, sessile or subsessile, constricted between the seeds, round in cross-section, hairy, with simple hairs, not beaked. Flowers in January, February, March and April. Occurs in the Northern Botanical Province, in the Northern Kimberley, Victoria Bonaparte and Central Kimberley IBRA regions.

C. Hollister and K.R. Thiele, 24 October 2023

Distribution

IBRA Regions
Central Kimberley, Darwin Coastal, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Berkeley, Keep, Mitchell, Pentecost.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.